CN101528397A - Reciprocating power saw, especially jigsaw - Google Patents
Reciprocating power saw, especially jigsaw Download PDFInfo
- Publication number
- CN101528397A CN101528397A CNA200780039073XA CN200780039073A CN101528397A CN 101528397 A CN101528397 A CN 101528397A CN A200780039073X A CNA200780039073X A CN A200780039073XA CN 200780039073 A CN200780039073 A CN 200780039073A CN 101528397 A CN101528397 A CN 101528397A
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- China
- Prior art keywords
- saw
- reciprocating
- base plate
- saw blade
- director element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/02—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of beds; of guiding arrangements for work-tables or saw carriers; of frames
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
A hand-operated reciprocating power saw comprises a saw blade (3) carrying out a working movement and a foot plate (4) connected to the case (2) of the reciprocating saw, the lower side of said foot plate defining a contact area (21) facing the workpiece (13) to be treated. A guide element (5, 24) is integrated into the foot plate and projects beyond the contact surface of the foot plate, the guide element being intended for contact with a guide contour (20) of a template (12). The saw teeth (10) of the saw blade (3) are positioned at least approximately in the center of the guide element or are laterally offset from the center in relation to the longitudinal plane of sawing of the saw blade.
Description
Technical field
The present invention relates to the reciprocating-type saw that a kind of motor of the preamble according to claim 1 drives, particularly a kind of reciprocating type sweep-saw.
Background technology
A kind of electronic manual reciprocating type sweep-saw has been described in DE 10 2,004 045 539 A1, the saw blade of this reciprocating type sweep-saw is implemented a reciprocating motion oscillatory type, that be orientated up and down with respect to a base plate that is fixed on the housing, through hole that is used for saw blade of processing in this base plate.The bottom surface of this base plate forms a bearing-surface, and reciprocating type sweep-saw is directed on workpiece to be processed by this bearing-surface.
When processing work, reciprocating type sweep-saw is directed to along a definite geometric locus, so that produce desirable workpiece profile.When producing a plurality of identical workpiece, curve shape must carry out free-hand sawing by reciprocating type sweep-saw then by a template mark.Produce deviation thus in different workpieces to be machined, these deviations cause time-consuming reprocessing.
Summary of the invention
Task of the present invention is that with the reciprocating-type saw that simple structural measure provides a kind of motor to drive, this reciprocating-type saw allows to produce with high precision the duplicate of same type workpiece.
According to the present invention, this task solves by the feature of claim 1.Dependent claims has provided the further scheme that meets purpose.
In reciprocating-type saw, particularly reciprocating type sweep-saw that motor of the present invention drives, in base plate, introduce a director element, the outstanding bearing-surface that surpasses base plate of this director element.This director element is determined and is used for by touching the guide-contour at a stencil master, and this stencil master is connected with workpiece to be processed.The sawtooth that passes the saw blade of base plate is positioned at the center of director element at least approx or is provided with on (is with the direction of feed with reference to) height at this center to dislocation ground and simultaneously with respect to the central side of director element.
According to the first embodiment of the present invention---wherein saw blade sawtooth directly or the approximate center that is located immediately at director element, director element for example is configured to pilot sleeve, this saw blade passes this pilot sleeve.At the reciprocating-type saw run duration, by touching on the guide-contour of stencil master, thus, automatically followed the tracks of by this guide-contour with its shell surface for this pilot sleeve.Only need consider by touching outer wall and the dislocation of the side direction between the saw blade at the pilot sleeve on the wall of guide-contour.But this dislocation can be easily when making stencil master and/or during processing work, be considered.Because the sawtooth of saw blade is arranged in the zone at center of pilot sleeve,, guarantee the reliable guiding of saw blade thus so saw blade has a spacing that remains unchanged with respect to all the wall sections on the pilot sleeve inboard in the zone of its sawtooth on the one hand.Avoided in the direction of feed of manual reciprocating-type saw on the other hand and passed angular displacement between the plane of saw blade, the cutting of the track trend that this angular displacement may cause is coarse, depart from hope.In an embodiment of the present invention, though on the guide-contour of stencil master by touching, and direction of feed or cut direction still are arranged in the plane of saw blade.Conclusively be to be located at the contact point between the wall on the guide-contour of the outer wall of pilot sleeve and stencil master on the height of sawtooth and to pass on the vertical line on saw blade plane.
Such effect realizes with another embodiment that drops among the present invention that also according to this embodiment, the sawtooth of saw blade is not the center that is set directly at director element, yet but is provided with on the height of dislocation ground at this center with respect to this central side.This embodiment for example realizes with respect to the guide pin that saw blade is provided with lateral spacing by one, or rather as follows, the straight line of the contact point between the guide-contour of the shell that promptly passes guide pin center and guide pin and stencil master overlaps with the vertical line that passes the saw blade plane on the height of sawtooth.Also avoided the undesirable angular deviation between direction of feed and saw blade plane in this case.
Propose according to the further scheme that meets purpose, director element releasably remains on the base plate.This allows to replace one first director element with second director element of other geometric shape in simple mode, for example is used for considering dissimilar profile trends better.The advantage of this embodiment also is wire element can be installed in the base plate of manual reciprocating-type saw afterwards.
The situation that is configured to pilot sleeve for director element advantageously, this pilot sleeve has a radially-protruding annular shoulder, this annular shoulder is contained in the complementary annular groove that is shaped in the base plate.This annular shoulder has been simplified pilot sleeve fixing on base plate, for example design like this: i.e. boring of processing in annular shoulder, pilot sleeve is fixed on the base plate by screw by this boring.
In addition, what meet purpose is, to base plate the arch portion that holds of a rising is set, and this holds arch portion and is configured to hold director element.Particularly the situation that is configured to guide pin for director element advantageously, this guide pin is accommodated in the described arch portion, wherein, the outstanding bearing-surface that surpasses base plate of the lower curtate of guide pin so that this section that guarantees guide pin on described template contours by touching.
According to another advantageous embodiments, the rolling bearing that rolls on the guide-contour that is used at stencil master is being set on the base plate.This rolling bearing advantageously surrounds director element in concentric mode, makes that the basic angular relationship between saw blade plane and direction of feed is held.This rolling bearing only causes the profile of stencil master and the big slightly side direction dislocation between the saw blade plane, but this can be considered by being oppositely arranged accordingly between stencil master and the workpiece to be processed.For this reason, this rolling bearing has reduced the required power of feed motion of this hand held power machine.
Description of drawings
Additional advantage draws from other claim, description of drawings and figure with the embodiment that meets purpose.In the accompanying drawing:
Fig. 1 is the schematic side elevation of a reciprocating type sweep-saw, has a base plate that is arranged on the housing bottom surface, and this base plate has a through hole that is used for saw blade,
Fig. 2 has the cutaway view of pilot sleeve as the base plate of director element, and saw blade passes this pilot sleeve and this pilot sleeve and is determined the guide-contour that is used for along a stencil master and is directed to,
Fig. 3 is the detailed section view of base plate and a stencil master and a workpiece to be processed of reciprocating type sweep-saw,
Fig. 4 is the base plate among Fig. 3 embodiment and the vertical view of saw blade and pilot sleeve, has the curved course that illustrates of the guide-contour of stencil master,
Fig. 5 is the cutaway view of reciprocating type sweep-saw, has a pilot sleeve and the rolling bearing that surrounds this pilot sleeve in base plate,
Fig. 6 is the cutaway view of another embodiment of reciprocating type sweep-saw, has a director element that is configured to guide pin, and this director element is provided with respect to saw blade side direction dislocation ground.
The specific embodiment
In the accompanying drawings, identical member is provided with identical reference number.
Hand held power machine shown in Fig. 1 is an electric reciprocating sweep-saw 1, it has a housing 2 and a saw blade 3, this saw blade enforcement vertical vibrating formula moves back and forth and passes an opening in the base plate 4, and the housing 2 of this base plate and reciprocating type sweep-saw is permanently connected.The direction of feed of reciprocating type sweep-saw 1 or machine direction are represented with arrow 7.The bottom surface that deviates from housing 2 of base plate 4 forms bearing-surface, this bearing-surface when reciprocating type sweep-saw operation, rest on the workpiece to be processed or stencil master on.
As from the cut-away view of Fig. 2, finding out, in a groove of base plate 4, introduce a pilot sleeve 5, saw blade 3 passes this pilot sleeve.The groove that pilot sleeve 5 is installed therein in the base plate 4 particularly relates to the through hole that is used for saw blade in the base plate, realizes the possibility that pilot sleeve 5 is installed afterwards thus.Pilot sleeve 5 is outstanding to be surpassed the lower support surface of base plate 4 and has the task of profiling sleeve, and its mode is that the shell surface 8 of pilot sleeve 5 is directed to along the guide-contour of stencil master, and wherein, this stencil master and workpiece to be processed are permanently connected.A clamping device 6 that is used for clamping saw blade 3 also is shown in Fig. 2, also working motion is applied on the saw blade 3 by this clamping device 6, this working motion is represented with double-head arrow 9.
The position of saw blade 3 in pilot sleeve 5 selected like this, makes the sawtooth 10 of this saw blade directly extend through pilot sleeve 5 along longitudinal axis 11.It is the center that sawtooth 10 is positioned at pilot sleeve 5 just.
As finding out from the detailed view of Fig. 3 and 4, pilot sleeve 5 has a radially-protruding annular shoulder 15, and pilot sleeve is fixed on the base plate 4 by this annular shoulder.This base plate 4 has the boss 16 of a rising, is processed with the groove of an annular on the bottom surface of this boss, and this groove is configured to hold the annular shoulder 15 of pilot sleeve 5.Carry out the fixing of pilot sleeve by annular shoulder 15 by counter-sunk screw, these counter-sunk screws pass the groove in the annular shoulder 15 and are screwed in the screwed hole 18 in the boss 16 of base plate 4.
The bottom surface of base plate 4 is formed for reciprocating type sweep-saw is bearing in a bearing-surface 21 on the stencil master 12, and this stencil master is fixedlyed connected with workpiece 13 to be processed.The side profile of stencil master 12 forms a guide-contour 20 that is used for the shell surface 8 on the pilot sleeve 5.This guide-contour 20 on stencil master 12 can have crooked trend; Because the cross section of the circle of pilot sleeve 5, this pilot sleeve can be followed the trend of guide-contour 20 without a doubt.Thus, the trend of guide-contour 20 also is molded in the workpiece to be processed 13, but the dislocation a with a side direction, the longitudinal axis 11 of this dislocation expression pilot sleeve 5 and the spacing between the shell surface 8, this shell surface is in service by touching on guide-contour 20 reciprocating type sweep-saw.Simultaneously, the longitudinal axis 11 of pilot sleeve 5 is arranged in the saw blade plane 19 of saw blade 3.Shell surface 8 on the pilot sleeve 5 and the contact point between the guide-contour 20 in the stencil master 12 are located on the height at pilot sleeve 5 centers, promptly pass on the height of longitudinal axis 11 in the vertical line 22 on saw blade plane 19.
According to the embodiment of Fig. 5 basically with similar according to the embodiment of Fig. 3 and 4, but difference is, pilot sleeve 5 is enclosed effect by a rolling bearing 23, the radial outside of this rolling bearing has reduced the resistance on the direction of feed thus by touching on the guide-contour of stencil master 12 and forming rolling surface.Rolling bearing 23 also is assembled in the groove of an annular, and this groove is positioned on the bottom surface of base plate 4.
Another embodiment shown in Figure 6.Be determined be used for by touch on the guide-contour of stencil master 12 and the director element that on this guide-contour, is directed to be constructed to guide pin 24, this guide pin is contained in holding in the arch portion 25 of a rising, and this holds arch portion and base plate 4 is configured to one.The spacing of passing the longitudinal axis 11 of guide pin 24 and passing between the saw blade plane 19 of saw blade represents that with s the spacing between shell surface on the guide pin 24 and the saw blade plane 19 is represented with a.Therefore, this guide pin misplaces with respect to saw blade 3 side direction, yet is in such a way, and promptly longitudinal axis 11 is arranged in the vertical line on saw blade plane 19, or rather about in the vertical line of direction of feed on the height of the sawtooth of saw blade.
Be provided with an additional rolling bearing 23 according to a remodeling embodiment, this rolling bearing encloses the outstanding section that surpasses the lower support surface 23 on the base plate 4 of effect guide pin.In this case, being used on the rolling bearing 23 by touching the spacing a between shell surface on the guide-contour of stencil master 12 and saw blade plane 19
*Expression.
Claims (9)
1, the manual reciprocating-type saw that a kind of motor drives, particularly reciprocating type sweep-saw (1), it has a saw blade (3) and a base plate (4) that is connected with the housing (2) of this reciprocating-type saw of implementing working motion, the bottom surface of this base plate forms a bearing-surface towards workpiece to be processed (13) (21), it is characterized in that, in base plate (4), introduce a director element (5,24), the outstanding bearing-surface (21) that exceeds base plate (4) of this director element, wherein, this director element (5,24) be determined and be used for by touching the guide-contour (20) at a stencil master (12), this stencil master is connected with workpiece (13); The sawtooth (10) of saw blade (3) is positioned at the center of director element (5,24) at least approx or serves as with reference to being provided with to dislocation ground with respect to described central side with the saw blade plane of saw blade (3).
According to the reciprocating-type saw of claim 1, it is characterized in that 2, this director element (5,24) releasably remains on the base plate (4).
According to the reciprocating-type saw of claim 1 or 2, it is characterized in that 3, this director element is configured to pilot sleeve (5).
According to the reciprocating-type saw of claim 3, it is characterized in that 4, this saw blade (3) passes pilot sleeve (5).
According to the reciprocating-type saw of claim 3 or 4, it is characterized in that 5, this pilot sleeve (5) has a radially outstanding annular shoulder (15), this annular shoulder is accommodated in the annular groove (17) in the base plate (4).
According to the reciprocating-type saw of one of claim 1 to 5, it is characterized in that 6, this director element is configured to guide pin (24), this guide pin is turned up the soil at interval with respect to saw blade (3) and is provided with in the base plate (4).
According to the reciprocating-type saw of claim 6, it is characterized in that 7, this guide pin (24) can be inserted into holding in the arch portion (25) of a rising, this holds arch portion and is formed in the base plate (4).
According to the reciprocating-type saw of one of claim 1 to 7, it is characterized in that 8, base plate (4) is provided with one and is used for going up the rolling bearing (23) that rolls at the guide-contour (20) of stencil master (12).
9, reciprocating-type saw according to Claim 8 is characterized in that, this rolling bearing (23) encloses effect this director element (5,24) with one heart.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006049530A DE102006049530A1 (en) | 2006-10-20 | 2006-10-20 | Motor-driven lifting saw, in particular lifting jigsaw |
| DE102006049530.6 | 2006-10-20 | ||
| PCT/EP2007/059971 WO2008046712A1 (en) | 2006-10-20 | 2007-09-20 | Reciprocating power saw, especially jigsaw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101528397A true CN101528397A (en) | 2009-09-09 |
| CN101528397B CN101528397B (en) | 2012-04-18 |
Family
ID=38657156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780039073XA Expired - Fee Related CN101528397B (en) | 2006-10-20 | 2007-09-20 | Reciprocating power saw, especially jigsaw |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8161655B2 (en) |
| EP (1) | EP2081719B1 (en) |
| CN (1) | CN101528397B (en) |
| DE (1) | DE102006049530A1 (en) |
| RU (1) | RU2456132C2 (en) |
| WO (1) | WO2008046712A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006049530A1 (en) * | 2006-10-20 | 2008-04-24 | Robert Bosch Gmbh | Motor-driven lifting saw, in particular lifting jigsaw |
| DE102008001762A1 (en) * | 2008-05-14 | 2009-11-19 | Robert Bosch Gmbh | Machine tool, in particular hand-held machine tool |
| US9038277B2 (en) * | 2008-06-03 | 2015-05-26 | Milwaukee Electric Tool Corporation | Shoe accessory for a saw |
| DE102009007372B4 (en) | 2009-02-04 | 2021-11-18 | Mafell Ag | Saw blade |
| DE102010056504A1 (en) * | 2010-12-30 | 2012-12-13 | Robert Bosch Gmbh | jigsaw |
| MX2013010225A (en) | 2011-03-07 | 2014-01-08 | Infusion Brands Inc | Dual blade reciprocating saw. |
| US20160221091A1 (en) * | 2015-02-03 | 2016-08-04 | General Electric Company | Turbomachine blade ring segment cutting tool and related guide |
| US9937572B2 (en) * | 2015-04-22 | 2018-04-10 | Wesley Harold Hutchcraft | Blade fan |
| US11154942B2 (en) | 2019-10-07 | 2021-10-26 | David Allen Carter | Automated jigsaw |
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| US2747622A (en) * | 1953-10-26 | 1956-05-29 | Saye Charles Walter | Carcass saw with waste-diverting shield |
| US3097430A (en) * | 1961-07-03 | 1963-07-16 | Willcox & Gibbs Sewing Machine | Cutter |
| US3435523A (en) * | 1965-11-04 | 1969-04-01 | Richard C Marsh | Guide and spacer for cutting tool |
| DE1278728B (en) * | 1966-03-25 | 1968-09-26 | Ackermann U Schmitt K G | Guide device on a motor-driven jigsaw |
| US3388728A (en) * | 1966-04-15 | 1968-06-18 | Martin Marietta Corp | Portable power tools |
| US3504716A (en) * | 1966-12-28 | 1970-04-07 | Stanley Works | Power tool and guide therefor |
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| US3707768A (en) * | 1967-11-25 | 1973-01-02 | Roeder & Spengler Ohg | Saw for machining a workpiece having a curved surface |
| US3895438A (en) * | 1974-03-25 | 1975-07-22 | Ivan H Burkepile | Styrofoam cutting tool |
| CH618914A5 (en) | 1977-11-30 | 1980-08-29 | Michel Achou | Device for guiding the saw blade of a compass-saw |
| US4213242A (en) * | 1979-01-22 | 1980-07-22 | Partington Everett J | Attachment for saber saw |
| US4235017A (en) * | 1979-08-16 | 1980-11-25 | Harry Yavis | Saber saw attachment |
| DE3203733A1 (en) * | 1982-02-04 | 1983-08-04 | Karl M. Reich Maschinenfabrik GmbH, 7440 Nürtingen | Stroke-rod bearing for jigsaws |
| DE3428436A1 (en) * | 1984-08-01 | 1986-02-06 | Rems-Werk Christian Föll und Söhne GmbH & Co, 7050 Waiblingen | PORTABLE JIGSAW |
| US4615251A (en) * | 1984-12-11 | 1986-10-07 | Volk Michael J | Sabre saw blade follower guide |
| US4680831A (en) * | 1985-07-30 | 1987-07-21 | Timothy Hogan | Power tool device |
| JPH0637854Y2 (en) * | 1988-04-11 | 1994-10-05 | 株式会社マキタ | Portable reciprocating saw |
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| US6131498A (en) * | 1995-01-31 | 2000-10-17 | Gerber Technology, Inc. | Reciprocating knife cutter, a cutting apparatus including such a cutter, and a knife sharpener for a cutting apparatus |
| DE19513076A1 (en) * | 1995-04-07 | 1996-10-10 | Scintilla Ag | Jigsaw |
| US6467177B2 (en) * | 1998-07-02 | 2002-10-22 | Black & Decker Inc. | Reciprocating saw blade clamp |
| CA2267576C (en) * | 1999-03-31 | 2001-02-06 | Charles E. Kirby | Cutting tool pattern guide |
| US6282793B1 (en) * | 1999-08-12 | 2001-09-04 | James F. Flagg | Coping saw attachment for a hand held power jig saw |
| US6357123B1 (en) * | 2000-09-06 | 2002-03-19 | John Manuel | Jigsaw apparatus |
| US6820339B2 (en) * | 2002-10-01 | 2004-11-23 | Todd A. Albrightson | Right-angle accessory saw for use with electric drill |
| DE10300793A1 (en) | 2003-01-13 | 2004-07-22 | Robert Bosch Gmbh | Electric hand tool has guide element mounted on underneath of base plate flush with cutting tool to fit into guide groove forming cutting line on workpiece |
| RU31216U1 (en) * | 2003-02-17 | 2003-07-27 | Федеральное государственное унитарное предприятие "Ижевский механический завод" | Clamping device for electric jigsaw |
| DE102004045623B4 (en) * | 2004-09-21 | 2015-01-15 | Robert Bosch Gmbh | hand-held jigsaw |
| DE102004045539A1 (en) | 2004-09-21 | 2006-03-23 | Robert Bosch Gmbh | Foot plate for a hand lift saw machine |
| JP4635802B2 (en) * | 2004-11-15 | 2011-02-23 | スズキ株式会社 | Cutting tool |
| CN2762927Y (en) * | 2005-02-01 | 2006-03-08 | 南京德朔实业有限公司 | Bottom plate adjusting device for sweep-saw |
| DE102006049530A1 (en) | 2006-10-20 | 2008-04-24 | Robert Bosch Gmbh | Motor-driven lifting saw, in particular lifting jigsaw |
| DE102007030639A1 (en) * | 2007-07-02 | 2009-01-08 | Robert Bosch Gmbh | Hand tool and guide rail for it |
| DE102007034529A1 (en) * | 2007-07-25 | 2009-01-29 | Robert Bosch Gmbh | Hand tool |
-
2006
- 2006-10-20 DE DE102006049530A patent/DE102006049530A1/en not_active Withdrawn
-
2007
- 2007-09-20 WO PCT/EP2007/059971 patent/WO2008046712A1/en active Application Filing
- 2007-09-20 CN CN200780039073XA patent/CN101528397B/en not_active Expired - Fee Related
- 2007-09-20 RU RU2009118822/02A patent/RU2456132C2/en not_active IP Right Cessation
- 2007-09-20 EP EP07820409.6A patent/EP2081719B1/en not_active Not-in-force
- 2007-09-20 US US12/302,110 patent/US8161655B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| RU2009118822A (en) | 2010-11-27 |
| CN101528397B (en) | 2012-04-18 |
| EP2081719A1 (en) | 2009-07-29 |
| RU2456132C2 (en) | 2012-07-20 |
| US8161655B2 (en) | 2012-04-24 |
| EP2081719B1 (en) | 2015-02-25 |
| WO2008046712A1 (en) | 2008-04-24 |
| US20090106986A1 (en) | 2009-04-30 |
| DE102006049530A1 (en) | 2008-04-24 |
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Granted publication date: 20120418 Termination date: 20210920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |